20pcs Nitrile Rubber O-Ring 25 x 21 x 2mm Metric Buna-N NBR Sealing Gasket

The O-ring is made of nitrile rubber (NBR, Buna-N), which is waterproof, oil-proof, and wear-resistant, making it durable and long-lasting. Its operating temperature range is -20°C to 120°C, with excellent high and low temperature resistance.The rubber sealing ring has a smooth surface, is soft and flexible, is easy to use, has good sealing and elasticity, can effectively prevent contact between metal and metal, thereby protecting wires, cables passing through firewalls, metal panels, etc.Seal repair O-rings are widely used as seals and gaskets in hydraulic machinery, pipelines and other connectors. They are suitable for DIY seal repair of faucets, high-pressure cleaners, motorcycles, ships, automobile engines, water pumps, solenoid valves, meters, sensors, mechanical bearings, pressure pipes and other accessories.

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